Ethyl Cellulose CAS NO 9004-57-3

Ethyl Cellulose CAS NO 9004-57-3

Measurement of Viscosity 1. Instrument 1.1 Rotary viscosimeter 1.2 125ml white wide mouth grinding mouth bottle. 1.3 Magnetic Stirring Vessel 2. Test process 2.1 Accurately weigh 5 gram samples drying two hours under 100-105 ℃ (accurate to 0.01 g), put the samples into 125ml white wide mouth...
Product description

Measurement of Viscosity

 

1. Instrument

1.1 Rotary viscosimeter

1.2 125ml white wide mouth grinding mouth bottle.

1.3 Magnetic Stirring Vessel

2. Test  process

 

2.1 Accurately weigh 5 gram samples drying two hours under 100-105 ℃ (accurate to 0.01 g), put the samples into 125ml white wide mouth grinding mouth bottle and add 95 g appropriate mixed solvent, then cover the plug, stir on the magnetic stirrer until the samples completely dissolved, and put this bottle in the constant temperature water bath to preserve 1 h under the temperature 25 ℃ +-0.1 ℃. at last, Test the viscosity with Rotary viscosimeter

 

3. Test Results

 

Take two test average value for the final results.

Note: Parallel test allows difference less than 5%

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